Problems from 2021 ICPC North America Regional Programming Contests (March 5 2022)

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Archery Accuracy0.01871463474%7.4Harden
Average Character0.00271880171191%2.0Easyen
Black and White0.0759219015381%4.7Mediumen
Circle Bounce0.002001079488%5.0Mediumen
Diagonals0.001853664467%8.0Harden
Dorm Room Divide0.0147626818870%6.3Harden
Double Password0.00182658248794%1.5Easyen
Fail Them All!0.008991518556%7.9Harden
Hopscotch 5000.1187818112971%7.1Harden
Overdraft0.00361351120989%1.9Easyen
Problem Set Construction0.01940544074%6.3Harden
Reversibly Cyclic Strings0.003132327485%3.2Mediumen
Rise and Fall0.008834725573%4.5Mediumen
Scaling Recipe0.003499590591%2.0Easyen
Shortest Missing Subsequences0.0939415011275%5.9Harden
Square Bounce0.00470634470%7.0Harden
Tetris Generation0.009043228165%6.0Harden
Tournament Seeding0.0122025420982%3.9Mediumen
Tree Hopping0.0289329121775%6.1Harden
Who Goes There?0.0011947838180%3.6Mediumen
XOR Island0.002791198067%6.7Harden